1.\" Copyright (c) 2017 Edward Tomasz Napierala 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.\" $FreeBSD$ 25.Dd May 28, 2017 26.Dt RCTL 4 27.Os 28.Sh NAME 29.Nm rctl 30.Nd resource limits 31.Sh SYNOPSIS 32To compile this driver into the kernel, 33place the following line in the 34kernel configuration file: 35.Bd -ragged -offset indent 36.Cd "options RACCT" 37.Cd "options RCTL" 38.Ed 39.Sh DESCRIPTION 40The 41.Nm 42subsystem provides a flexible resource limits mechanism, 43controlled by a set of rules that can be added or removed at runtime 44using the 45.Xr rctl 8 46management utility. 47.Sh LOADER TUNABLES 48Tunables can be set at the 49.Xr loader 8 50prompt, or 51.Xr loader.conf 5 . 52.Bl -tag -width indent 53.It Va kern.racct.enable: No 1 54Enable 55.Nm . 56This defaults to 1, unless 57.Cd "options RACCT_DEFAULT_TO_DISABLED" 58is set in the kernel configuration file. 59.El 60.Sh SEE ALSO 61.Xr rctl.conf 5 , 62.Xr rctl 8 63.Sh HISTORY 64The 65.Nm 66subsystem first appeared in 67.Fx 9.0 . 68.Sh AUTHORS 69The 70.Nm 71subsystem was developed by 72.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 73under sponsorship from the FreeBSD Foundation. 74